oast house oasthouse • oat · · · Info · Definitions · Characters · · oast house · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a building containing an oast (a kiln for drying hops); usually has a conical or pyramidal roof. Synonyms: oast house. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075